HEF40374BT,652

Overview

The HEF40374BT,652 is a quad D-type flip-flop with reset and 3-state outputs manufactured by NXP USA Inc. It operates within the standard 4000B series voltage range of 3V to 18V. The device features high noise immunity and static stability. It includes a dedicated reset input that forces all outputs to a low state. The package type is SO16, suitable for surface mount applications.

Feature Summary

• Quad D-type flip-flop architecture with independent clock and data inputs
• Synchronous reset functionality forcing outputs to logic low
• Three-state output capability for bus line driving applications
• High noise immunity compatible with standard TTL levels

Applications

• Digital signal processing circuits requiring data storage
• Shift register configurations for serial-to-parallel conversion
• Bus interface modules utilizing tri-state control
• Industrial control systems needing reliable logic sequencing

Procurement Notes

Verify the exact ordering code matches the requested suffix. Confirm the manufacturer origin aligns with NXP specifications. Check datasheet revisions for any pinout or electrical characteristic updates prior to final integration. Ensure compliance with RoHS directives if required for the specific project environment.

Selection Notes

Select this component when a compact solution for multiple flip-flops is needed. Consider the SO16 package for space-constrained PCB layouts. Evaluate power supply requirements against the 3V to 18V operating range. Compare performance metrics with alternative series components if higher speed or different packaging is necessary.

Part Context

This part belongs to the widely used 4000B series of CMOS logic devices. It provides a standard interface for digital logic design across various consumer and industrial electronics. The series is known for its broad availability and compatibility with existing legacy designs.

Replacement Considerations

Compatible substitutes include the CD40374 from other manufacturers offering identical logical function and pinout. Verify voltage thresholds and output drive capabilities match the original specification before substitution.